Function core::arch::x86::_lzcnt_u32
1.27.0 · source · pub unsafe fn _lzcnt_u32(x: u32) -> u32
Available on (x86 or x86-64) and target feature
lzcnt
and x86 only.Expand description
Counts the leading most significant zero bits.
When the operand is zero, it returns its size in bits.